What is the main function of the villi in the ileum? A to increase the surface area for absorption B to move digested food along the intestine by peristalsis C to produce mucus so that materials can move smoothly D to secrete amylase to digest starch in the food OA B The table describes some characteristics of four people. Which person requires the highest energy intake in their diet? age years sex level of activity body weight /kg A 5 male 18 85 B 25 high low high low ? male female female 30 82 D 65 75 ?? B C The diagram shows a section of capillary. Which arrow represents tissue fluid formation? arterial end venous end B Roots and leaves both act as a source and a sink for sucrose and amino acids at different times during the year. At which point in the year are the roots most active as a source? spring now leaves start to grow winter no leaves are present summer leaves are mature autumn leaves die and fall 1 O O COMEDY poog op NM ha ??? ??????? ? ?????? ????? ?? ?? ??????? ?? ???? ?????? ???? ?? ? ?????? ????? ??? The diagram shows a section through a human heart. Which blood vessel is the pulmonary vein? B B The diagram shows part of the alimentary canal and associated organs. U V w Which structures secrete enzymes that digest proteins? AT and U B U and V CV and W DW and T ?? B The diagram represents part of a leaf. Which arrows show translocation and transpiration? translocation transpiration 1 2 2 A B 3 ??????? ? 4 D 4 OA B What is the main function of the villi in the ileum? A to increase the surface area for absorption B to move digested food along the intestine by peristalsis C to produce mucus so that materials can move smoothly D to secrete amylase to digest starch in the food OA B 2. to which In the process of blood clotting, the ….1…… help to convert forms a clot Which words complete the description of blood clotting? 1 2 3 A platelets fibrin fibrinogen B platelets fibrinogen fibrin ? red blood cells fibrin fibrinogen D red blood cells fibrinogen fibrin MCA SAV Blood flows away from the small intestine in the hepatic portal vein. Where does the blood go next, and what may happen there? A the kidneys, delivering glucose for respiration B the kidneys, for removal of urea C the liver, where alcohol is broken down D the liver, where bile is added to the blood OA B The diagrams show transverse sections of a dicotyledonous root and stem. ? M e N N Which tissues transport sugar? A K and M B K and L C Land M D Land N OA Hypoplastic left heart failure is a rare heart condition in which the lower left chamber of the heart has not developed properly and is much smaller than normal. The immediate result of this condition is to cause lower than normal blood flow into which blood vessel? A aorta B pulmonary artery C pulmonary vein Dvena cava OA B Which pathway is taken by blood in a fish? A gills ? heart body gills B body ? gills heart body C heart gills ? body heart Dheart + body gills + body OA B https://docs.google.comvormes/die/1FAIpQLSfg|zhFPW6c200B7KAOHS2VNjdS2030MJmom3pqXgnation Response 2227 The diagram shows a fat globule (P) in one part of the alimentary canal and the same globule (0) as it appears in another part of the alimentary canal. In which parts of the alimentary canal are P and Q found? P duodenum stomach oesophagus oesophagus leum rectum ileum B ileum ? D In which order does water pass through these tissues in a plant? A mesophyll ? xylem root cortex B root cortex ? mesophyll ? xylem Croot cortex ? Xylem Mesophyll D xylem mesophyll root cortex OA B The diagram shows a human heart and some of its major blood vessels. Blockage of which labelled part is a cause of coronary heart disease? A D When a pathogen enters the blood, the immune system uses different mechanisms to destroy the pathogen The diagram shows one of these mechanisms -pathogen Which row describes the structures involved? structure X X is made by structure Y ? antigen lymphocytes antibody antigen phagocytes antibody antibody lymphocytes antigen D antibody phagocytes antigen B ? A Which is an example of a transmissible disease? A coronary heart disease caused by eating a high fat diet B AIDS Cliver disease caused by excessive alcohol consumption Dscurvy D

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